Type 89 Chi-Ro Medium tank (1929)
| Approximate specifications | ||
| Variant | Medium tank model 89 A | Medium tank model 89 B |
| Weight | 13 tons. | 13 tons. |
| Length | 19 feet 3 inches. | 19 feet 3 inches. |
| Width | 7 feet 1 inch. | 7 feet 1 inch. |
| Height | 8 feet 6 inches. | 8 feet 6 inches. |
| Clearance | 19 inches. | 19 inches. |
| Crew | 4 men. | 4 men. |
| Armor | 6 to 17 mm (0.24 to 0.67 inches), also reported as 17 to 25 nun (0.67 to 1 inch). |
6- to 17-mm (0.24 to 0.67 inches), also reported as 17- to 25-mm (0.67 to 0.98 inches). |
| Armament | 1-57-mm. 1 Hull mg, 1 Rear turret MG. | 1-57-mm, 1 Hull mg, 1 rear turret mg. |
| Ammunition | 57-mm 100 rounds, SAA 2,745 rounds. | 57-mm, 100 rounds, SAA 2745 rounds. |
| Type | Gasoline | Diesel |
| Engine Power | 136 brake horsepower. | 120 brake horsepower. |
| Ground contact | 12 feet. | 12 feet. |
| Width of track | 12 inches. | 12 inches. |
| Track Pitch | 6 inches. | 6 inches. |
| Diam. rear sprocket | 30 inches. | 30 inches. |
| Diam. bogie wheel | 9 inches. | 9 inches. |
| Diam. front idler | 36 inches. | |
| Height to center of idler. | 33 inches. | 33 inches. |
| Fuel | Gasoline. | |
| Approximate maximum performance | ||
| Speed | 15 miles per hour. | 15 miles per hour. |
| Range of action | 100 miles. | 100 miles. |
| Gradient | 34°. | 34°. |
| Obstacles: | ||
| Trench | 8 feet 3 inches wide. | 8 feet 3 inches wide. |
| Step | 2 feet 9 inches high. | 2 feet 9 inches high. |
| Ford | 3 feet 3 inches deep. | 3 feet 3 inches deep. |
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